Home / 15,168.16-22,762.49-5,307.53

Finding the Fourth Proportional to 15,168.16, 22,762.49 and 5,307.53

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Solution

The fourth proportional to 15,168.16, 22,762.49 and 5,307.53 is: 7,964.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,168.16 : 22,762.49 = 5,307.53 : x
  2. Step 2: Convert to fraction form
    15,168.16/22,762.49 = 5,307.53/x
  3. Step 3: Cross multiply
    15,168.16x = 22,762.49 × 5,307.53
  4. Step 4: Simplify right side
    15,168.16x = 120,812,458.20
  5. Step 5: Solve for x
    x = 120,812,458.20/15,168.16
  6. Step 6: Final answer
    x = 7,964.87

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.